Fill in the blanks.
Number of men at first is 35% of the adults.
Number of men is then increased to 60%.
- Number of men at first = _____ u
- Number of men in the end = _____ u
- Increase in the number of men = _____ u
- Number of adults in the end = _____ u
|
Men |
Women |
Before |
7 x 2 = 14 u |
13 x 2 = 26 u |
Change |
+ ? |
No change |
After |
3 x 13 = 39 u |
2 x 13 = 26 u |
(a)
Change percentage into units.
35% =
35100 =
720 60% =
60100 =
35 Fraction of the adults who are women at first
= 1 -
720 =
1320 Fraction of the adults who are women in the end
= 1 -
35=
25 Number of women at first and in the end remains the same.
The number of women is the unchanged quantity.
LCM of 13 and 2 = 26
Number of men at first = 14 u
(b)
Number of men in the end = 39 u
(c)
Increase in the number of men
= 39 u - 14 u
= 25 u
(d)
Number of adults in the end
= 39 u + 26 u
= 65 u
Answer(s): (a) 14; (b) 39; (c) 25; (d) 65